Department Of Transportation Uniform Tire Quality Grades

The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.

All passenger car tires must conform to Federal safety requirements in addition to these grades.

See also:

Paging
To learn how to page, refer to “Working with Automated Systems”. Paging works properly except for pagers of certain companies, which time out a little too soon to work properly with the Ucon ...

Security
It is advised to erase all channels before you sell or turn in your vehicle. To do this, press and hold the two outside buttons for 20 seconds until the red indicator flashes. Note that all cha ...

Maintenance
CAUTION! Do not use ethanol mixture greater than 85% in your vehicle. It will cause difficulty in cold starting and may affect driveability. ...